Coreg and Blood Sugar
Low blood sugar levels have been reported in people taking Coreg, as well as with other beta blockers. This side effect is more common in infants and children, while fasting (such as before surgery), after prolonged exercise, or in people with kidney disease or diabetes.
Low blood sugar symptoms can vary, depending on a number of factors, including how low the blood sugar levels are. Examples of early symptoms may include:
- Extreme hunger
- Cold sweats
- Blurry vision.
More severe symptoms of low blood sugar include:
- Changes in behavior, such as irritability
- Loss of coordination
- Difficulty speaking
- Loss of consciousness
- Loss of life.
Two other symptoms that can occur in people with low blood sugar are an increase in heart rate and blood pressure. In people taking Coreg, however, these symptoms may not occur because of the effects of the medicine. Therefore, Coreg can "mask" these important symptoms of low blood sugar, perhaps making it less noticeable (and therefore more dangerous).
If you develop any possible symptoms of low blood sugar while taking Coreg, contact your healthcare provider immediately or seek emergency medical care and stop taking the medicine. If your healthcare provider believes that low blood sugar is causing your symptoms, he or she may recommend that you treat the low blood sugar immediately by eating or drinking something with sugar in it, such as orange juice, hard candy, a tablespoon of honey, or even a tablespoon of granulated sugar.